‏الصيام : Hadeeth No:2563 Abu Huraira (Allaah be pleased with him) reported: When any one of you gets up in the morning in the state of fasting, he should neither use obscene language nor do any act of ignorance. And if anyone slanders him or quarrels with him, he should say:" I am fasting, I am fasting."...

‏الزهد والرقائق‏ : Hadeeth No:7098 Abu Hazim reported: I saw Abu Huraira point with his finger many a time and saying: By One in Whose Hand is the life of Abu Huraira, Allaah's Prophet (sallAllaahu alayhi wa sallam) could not eat to his fill and provide his family bread of wheat beyond three days successively until he left the world....